Sheet tucker



FIG. 1 is a front elevational view of a sheet tucker showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view with the left side being a mirror image thereof;

FIG. 4 is a top view with the bottom view being a mirror image thereof; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for a sheet tucker, as shown and described. 